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Why do we need to have an isotropic antenna on board the satellite?
written 8.9 years ago by gravatar for teamques10 teamques10 ★ 69k •   modified 8.9 years ago

This question appears in Mumbai University > Satellite Communication and Network subject

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Year: May 2015
satellite communication and network
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written 8.9 years ago by gravatar for teamques10 teamques10 ★ 69k

An isotropic antenna is a type of antenna that radiates equally in all directions. Typically, it is used for emergency-mode TT&C (telemetry, tracking and command).

Radiation pattern from an Isotropic antenna

Radiation pattern from an Isotropic antenna

Such an antenna is necessary if the satellite loses Earth pointing, and the (focused) communications antennas are thus no …

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